Mean Well NES-350 PSU cover

2018-03-19 update: Added holes for the side vents. Don't know if it's worth reprinting for them, but Mean Well probably put them there for a reason. Made circles more circular. This makes screws easier to insert, but makes using the bottom without the square nuts a poorer fit.

I didn't particularly like the PSU cover part from pmeyer's Prusa i3 MK3 PSU adapter... it's kinda large, making connecting the wires difficult, and blocks some of the front vents. So I made a new one.

This is intend